<template>
  <div>
    <!--查询表单-->
    <!-- inline="true表示是横向显示" -->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item label="讲师名">
        <!-- 虽然设置里面没有name 但是设置的是双向绑定  一旦输入了值就会自动的给name添加值 -->
        <el-input v-model="teacherQuery.name" placeholder="讲师名" />
      </el-form-item>

      <el-form-item label="讲师头衔">
        <el-select
          v-model="teacherQuery.level"
          clearable
          placeholder="讲师头衔"
        >
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
          <el-option :value="0" label="低级讲师" />
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()"
        >查询</el-button
      >
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <!-- 表格 -->
    <el-table :data="list" border fit highlight-current-row>
      <el-table-column label="序号" width="70" align="center">
        <!-- scope获取的是表单的全局对象 -->
        <template slot-scope="scope">
          {{ (current - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="姓名" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit"
              >修改</el-button
            >
          </router-link>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="removeDataById(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页
    current-page 当前页数
    total 总数量
    page-size 每页显示的数量
    cureent-change: 调用的方法
     -->
    <el-pagination
      :current-page="current"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
import teacher from "@/api/edu/teacher";
export default {
  name: "list",
  data() {
    //定义变量与初始值
    return {
      message: "显示讲师列表信息",
      current: 1, //当前页
      limit: 5, //每页显示的记录数
      teacherQuery: {}, //条件封装对象
      total: 0, //总记录数
      list: null //用于接收方法返回的结果
    };
  },
  created() {
    //在页面渲染之前执行 调用methods里面定义的方法
    this.getList();
  },
  methods: {
    //调用具体的方法  调用teach.js定义的方法
    //讲师列表的方法  分页显示的方法
    getList(current = 1) {
      //不传的话默认就是第一页传的话就是传递的值
      this.current = current;
      teacher
        .getTeacherListPage(this.current, this.limit, this.teacherQuery)
        .then(response => {
          //console.log(response);
          this.list = response.data.list;
          //console.log(this.list);
          this.total = response.data.total;
          //console.log(this.total);
        }) //请求成功
        .catch(error => {
          console.log(error);
        }); //请求失败
    },
    //清空查询条件方法
    resetData() {
      //表单输入项清除  因为表单的数据都绑定在对象的属性里面 所以清除对象就可实现清除表单
      this.teacherQuery = {};
      //执行查询全部的方法
      this.getList();
    },
    //实现删除讲师的功能
    removeDataById(id) {
      //添加的弹出框
      this.$confirm("此操作会永久的删除讲师的记录,是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        //点击确定 执行then的方法
        teacher
          .deleteTeacher(id)
          .then(response => {
            //删除成功
            this.$message({
              type: "success",
              message: "删除成功"
            });
            //返回列表页面
            this.getList();
          })
          .catch(error => {
            //删除成功
            this.$message({
              type: "error",
              message: "删除失败"
            });
          });
      });
      // }).catch(()=>{
      //     this.$message({
      //       type: 'info',
      //       message:'删除成功'
      //     });
      // })
    }
  }
};
</script>
<style scoped></style>
